Supporting leg for a serving tray



FIG. 1 is an end elevational view of a supporting leg for a serving tray, showing my new design, the opposite end being a mirror image thereof;

FIG. 2 is a left side elevational view; and,

FIG. 3 is a right side elevational view thereof.

The top and botttom of the support leg are plain and unadorned. 

The ornamental design for a supporting leg for a serving tray, as shown and described. 